DEWALT DCF886M2 20V MAX Lithium-Ion Brushless 1/4-Inch Impact Driver Kit Brushless motor Lightweight design Three LED lights DEWALT brushless motor delivers up to 57% more run time over brushed XR Li-Ion batteries with fuel gauge provide 33% more capacity over standard packs Compact (5.55" front to back), lightweight (3.4 lbs) design fits into tight areas Three (3) LED lights with 20 second delay after trigger release, provide visibility without shadows Two 20v MAX XR premium Li-Lion batteries